Search Google Appliance

Underwood Sundstrand 11240SP Adding Machine

Description

This hefty ten-key listing electric adding machine has a gray metal case with a 13” carriage. The block of nine white number keys has a zero bar below. Numbers of up to ten digits may be entered. To the left are correction, back space, and repeated addition keys. To the right are subtraction, addition, and no total keys. Left of these keys is a lever that can be set at “SHUTTLE” or “NORMAL.” Another lever can be set at “REG.B,” “A*B,” or “REG.A.” Another lever is unlabeled. Above the keyboard is a place indicator. Behind this are the printing mechanism, carriage, and cross-footer. Numbers of up to 11 digits can be printed. The machine has a two-colored ribbon. Tabs can be set to print columns at different locations along the platen, different sizes of paper can be used, and there are knobs for advancing the platen on both sides. The motor also is at the back.

This is model #303 from the Patent Division of Burroughs Corporation. It is marked on the back: Underwood (/) Sundstrand (/) Product of (/) Underwood Corporation (/) Protected by United States (/) and Foreign Patents (/) Made in U.S.A.. It is also marked there: 775180 (/) 11240SP

Compare to the Underwood Sundstrand Adding Tabulator (model 11240SP-13), described in 1990.188.07.

Visitor Comments

Add a comment about this object

**Please read before submitting the form**

Have a comment or question about this object to share with the community? Please use the form below. Selected comments will appear on this page and may receive a museum response (but we can't promise). Please note that we generally cannot answer questions about the history, rarity, or value of your personal artifacts.

Have a question about anything else, or would you prefer a personal response? Please visit our FAQ or contact page.

Personal information will not be shared or result in unsolicited e-mail. See our privacy policy.